package com.zhuiyi.springzhuiyi.model;

public class StrTest {
    public static void main(String[] args) {

        String str  = "a.b.cc";
        String[] split = str.split("\\.");
        for (String s : split) {
            System.out.println(s);
        }
        StringBuffer stringBuffer = new StringBuffer();
        String str2 = "1212";
        stringBuffer.append(str2);




    }


}
